# Service difficulty reports: N7901A A list on [N7901A](https://openairdocs.org/aircraft/N7901A.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR SCNA20260225101](https://openairdocs.org/sdr/SCNA20260225101.md): Smoke Detector · false activation · Feb 25, 2026 · N7901A · Boeing 737800* · Detection System > FWD LAV SMOKE DETECTOR ALARM TRIGGERED AT 5000 FT AND CONTINUED TILL WIGGLED, AFTER SHUTDOWN. REMOVED AND REPLACED LAV SMOKE DETECTOR IAW AMM 26-14-01. OPS CHECK GOOD. THIS CLEARES MEL 26-16-1, MDDR# 137175 PLACARDS REMOVED - [SDR SCNA20260209056](https://openairdocs.org/sdr/SCNA20260209056.md): Smoke Detector · false activation · Feb 5, 2026 · N7901A · Boeing 737800* · Smoke Detection > LAVATORY SMOKE DETECTOR ACTIVATED. R & R THE LAVATORY SMOKE DETECTOR, OPS CHECKED GOOD IAW AMM 25-14-00. THIS CLEARS MEL MDDR#136553. - [SDR SCNA20250916376](https://openairdocs.org/sdr/SCNA20250916376.md): Lap Joint · corroded · Jul 9, 2025 · N7901A · Boeing 7378 · Fuselage Main, Plate/Skin > LEFT MAIN CARGO COMPARTMENT BS 663.75 TO BS 1016 LWR LAP SEAM HAS CORROSION WITH PAINT PEELING IN VARIOUS LOCATIONS. REMOVE PAINT, EVALUATE, CHECK LIMITS. CHEMICALLY PAINT STRIPPED L/H MAIN CARGO COMPARTMENT EXT FROM STA. 663.75 TO STA 1016 LWR LAP SEAM IAW - [SDR SCNA20250707242](https://openairdocs.org/sdr/SCNA20250707242.md): Nut · missing · Jul 6, 2025 · N7901A · Boeing 737800* · Fuselage Main, Structure > FOUR OVER WING EMERGENCY EXIT DOOR, STOPS ARE MISSING DOOR STOP NUTS (16 EA). - [SDR SCNA20250616214](https://openairdocs.org/sdr/SCNA20250616214.md): Landing Gear · malfunctioned · Jun 13, 2025 · N7901A · Boeing 7378 · Landing Gear Retraction/Extension System > DEFECT 788212: UPON MOVING GEAR HANDLE DOWN ON APPROACH, RECEIVED RED LEFT GEAR INDICATION AND GEAR HORN. RAN GEAR DISAGREE QRH AND RECEIVED DOWN AND LOCKED INDICATION. MC NOTIFIED TS 31882. REF LP 788210 ITEM 1 (DECLARED EMERGENCY). OPEN - [SDR SCNA20250212049S](https://openairdocs.org/sdr/SCNA20250212049S.md): None · none · Feb 11, 2025 · N7901A · Boeing 7378 · Standard Practices/Structures > SUPPLEMENT: DEFECT 717580: - HOURS CYCLES UPDATED/INCLUDED. - [SDR SCNA20250212049](https://openairdocs.org/sdr/SCNA20250212049.md): Girt Bar · loose · Feb 11, 2025 · N7901A · Boeing 7378 · Emergency Equipment > DEFECT 717580: FWD ENTRY GIRT BAR LOOSE. - - RESOLUTION: ADJUSED L1 DOOR GIRT BAR BRACKETS PER AMM 25-66-02. A/C OK FOR SERVICE. - [SDR SCNA20250115014](https://openairdocs.org/sdr/SCNA20250115014.md): Transmitter · faulted · Dec 3, 2024 · N7901A · Boeing 7378 · Trailing Flap Position Indicating System > DEFECT: FLAPS FAILED ON AIRCRAFT LANDED FLAPS 1. RESOLUTION: R&R LH FLAP POSITION TRANSMITTER IAW AMM 27-58-01-000-801 RIGGED AS REQUIRED REF AMM 27-58-01-820-801 OPS CHECK GOOD NO FAULTS. (NO EMERGENCY WAS DECLARED.) - [SDR SCNA20230803206](https://openairdocs.org/sdr/SCNA20230803206.md): Unknown · unknown · Aug 1, 2023 · N7901A · Boeing 7378 · Emergency Equipment > DEFECT 721115: WHILE OPENNING L1 DOOR, SLIDE DROPPED OUT OF COMPARTMENT. - - - RESOLUTION: REPACKED L1 DOOR SLIDE IAW AMM REF 25-66-01 OK FOR SERVICE. - [SDR SCNA20230622193](https://openairdocs.org/sdr/SCNA20230622193.md): Unknown · unknown · Jun 16, 2023 · N7901A · Boeing 7378 · Wing Miscellaneous Structure > DEFECT NR00189: RH OUTER WING REAR SPAR ATTACHMENT FITTING APPROX ORSS 259 - - RESOLUTION: HOLE DISCOVERED ON LOWER SURFACE OF O/B LOWER FLANGE OF THE RH OUTER WING REAR SPAR ATTACHMENT FITTING APPROX ORSS 259. HOLE INSPECTED AND FOUND CRACKED. HOLE WAS OVERSI - [SDR SCNA20230615186](https://openairdocs.org/sdr/SCNA20230615186.md): Shield · corroded · Jun 7, 2023 · N7901A · Boeing 7378 · Fuselage Miscellaneous Structure > DEFECT NR00189: CORROSION AFT CARGO BAY FWD SHIELD UPPER SURFACE, VARIOUS AREAS. - - -RESOLUTION: REMOVED AND REPLACED NEW SHIELD P/N 146A8127N12 BEWTEEN STA 787 TO STA 794.37 AT AFT CARGO PER B737 -800 SRM 51-40-02--0G PAR 5 AND DWG # 146A 0081 REV A. - [SDR SCNA20230613184](https://openairdocs.org/sdr/SCNA20230613184.md): Angle · corroded · Jun 7, 2023 · N7901A · Boeing 7378 · Fuselage Main, Structure > DEFECT NR00188: CORROSION FORWARD CARGO BAY, RH ZEE AT STA 500A TO 500I AROUND MULTIPLE NUTPLATES. - - - RESOLUTION: REMOVED FABRICATED AND INSTALLED NEW ZEE CHANNEL REPLACEMENT AT RH STA 500-500I, IAW B737-SRM-51--40-02, DWG 143A7501 DWG 143A7500. - [SDR SCNA202306132183](https://openairdocs.org/sdr/SCNA202306132183.md): Channel · corroded · Jun 7, 2023 · N7901A · Boeing 7378 · Fuselage Main, Structure > SUPPLEMENTAL: DEFECT NR00191: CORROSION AFT CARGO BAY LH ZEE UPPER SURFACE, VARIOUS AREAS AT STA 727 TO 727G+10. - - - RESOLUTION: REMOVED AND REPLACED AFT CARGO ZEE CHANNEL STA 727 TO 727G WITH NEW ITEM #BAC1496-337 #7075T62 LOT#5130352-1 IAW B737 SRM 53-00-5 - [SDR SCNA202306121802](https://openairdocs.org/sdr/SCNA202306121802.md): Channel · corroded · Jun 7, 2023 · N7901A · Boeing 7378 · Fuselage Miscellaneous Structure > DEFECT NR00191: CORROSION AFT CARGO BAY LH ZEE UPPER SURFACE, VARIOUS AREAS AT STA 727 TO 727G+10. - - - RESOLUTION: REMOVED AND REPLACED AFT CARGO ZEE CHANNEL STA 727 TO 727G WITH NEW ITEM #BAC1496-337 #7075T62 LOT#5130352-1 IAW B737 SRM 53-00-53-2R-5 DRAWI - [SDR SCNA20230612180](https://openairdocs.org/sdr/SCNA20230612180.md): Channel · corroded · Jun 7, 2023 · N7901A · Boeing 7378 · Fuselage Miscellaneous Structure > DEFECT NR00190: CORROSION AFT CARGO BAY RH ZEE UPPER SURFACE VARIOUS AREAS @STA 727D+10 TO 767. - - - RESOLUTION: REPAIRED AFT CARGO RH ZEE CHANNEL FROM STA 727 TO 767 IAW B737 SRM 53-00-53-2R-5 REPAIR 5. - [SDR SCNA20230612179](https://openairdocs.org/sdr/SCNA20230612179.md): Shield · corroded · Jun 7, 2023 · N7901A · Boeing 7378 · Fuselage Miscellaneous Structure > DEFECT NR00187: CORROSION FWD CARGO BAY, AFT SHIELD @STA 495-500A. - - - RESOLUTION: REMOVED AND REPLACED SHIELD IN FWD CARGO BAY AFT OF CARGO BAY DOOR STA 495-500A RH SIDE IAW BOEING SRM 51-40-02 AND BOEING DWG# 143A0080. - [SDR SCNA20230622194](https://openairdocs.org/sdr/SCNA20230622194.md): Receptacle · cracked · Jun 2, 2023 · N7901A · Boeing 7378 · Wing Miscellaneous Structure > DEFECT NR00032: FWD ELECTRICAL RECEPTACLE CUTOUT HOUSING IS CRACKED ON FWD SIDE. - - - RESOLUTION: REPAIRED EXTERNAL GROUND POWER RECEPTACLE DOUBLER ON FWD SIDE PER SCA EA 53-0149 REV.00 AND ATS ER 23-01762 REV 1R. - [SDR SCNA20230501140](https://openairdocs.org/sdr/SCNA20230501140.md): Unknown · unknown · Apr 30, 2023 · N7901A · Boeing 7378 · Engine (Turbine/Turboprop) > DEFECT 741964: CLIMBING THRU 32,000 FT, LOUD BANG FOLLOWED BY IMMEADIATE N1 ROLLBACK TO IDLE ON #1 ENGINE. THRUST LEVER NOT RESPONSIVE TO THRUST INPUT. EXECUTED ENGINE FAILURE OR SHUTDOWN QRH PROCEDURE. LANDED SINGLE ENGINE IN KJAX. - - - RESOLUTION: (IN PROG - [SDR SCNA20230421136](https://openairdocs.org/sdr/SCNA20230421136.md): Unknown · unknown · Apr 20, 2023 · N7901A · Boeing 7378 · Emergency Equipment > DEFECT 739433: R1 DOOR EMERGENCY LIGHTS INOP. - - - RESOLUTION: R & R R1 DOOR EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06. OPS CHECK GOOD - [SDR SCNA20220727086](https://openairdocs.org/sdr/SCNA20220727086.md): Slide · jammed · Jul 26, 2022 · N7901A · Boeing 7378H4 · Escape Slide > DEFECT: SLIDE FELL FROM BUSTLE INTO GALLEY L1 DOOR. RESOLUTION: REINSTALLED L1 DOOR SLIDE PACK AND COVER IAW AMM 25-66-01-400-803 INFLATION CYLINDER CHECK. GOOD AC OK FOR SERVICE. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N7901A' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N7901A/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.